<!DOCTYPE html>
<html>
<head>
 <!-- 必须亦以下三个meta开头 -->
 <meta charset="UTF-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <meta name="viewport" content="width=device-width,initial-scale=1">
 
 <title>Bootstrap基本模板</title>
</head>

</html>